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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Data + AI Summit 2024 - Data Engineering & Streaming

Forum Posts

Meenu1
by New Contributor II
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X axis range for visualization in sql dashboard

Unable to set x axis range for charts in sql dashboard. The automatic range and padding that is set doesn't match across all plot types. For line charts with date type data on x axis, there is a padding on both sides of the plot. But for bar charts, ...

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jwilliam
by Contributor
  • 5321 Views
  • 3 replies
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Resolved! Differences between Spark Cluster Manager and Databricks Cluster Manager?

I didn't found any documentation on Databricks Cluster Manager. Could anyone give me some resources on this topic?

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Latest Reply
User16752242622
Valued Contributor
  • 3 kudos

Hi @John William​ Databricks clusters use Spark's Standalone cluster manager. Each Databricks cluster has its own standalone Master and Worker processes run inside of the LXC containers and share a lifecycle with the cluster. Each cluster has a singl...

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anibose
by New Contributor III
  • 3037 Views
  • 5 replies
  • 7 kudos

Resolved! Hands-On exercise material

Hi FriendsI am following Databricks Customer Academy training material, and created a Databricks service in Azure Trial account and was able to launched a single node cluster there. Could you please guide me on how to do all the hands-on?

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Latest Reply
anibose
New Contributor III
  • 7 kudos

Thanks Doug, I was able to locate .dbc file, appreciate your response. Best RegardsAnindya

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weldermartins
by Honored Contributor
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  • 4 replies
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Resolved! Databricks pyspark - Find columns in xls file.

Hello everyone, every day I extract data into xls files but the column position changes every day. Is there any way to find these columns within the file?Here's a snippet of my code.df = spark.read.format("com.crealytics.spark.excel")\ .option("hea...

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Latest Reply
Vidula
Honored Contributor
  • 11 kudos

Hi @welder martins​ Hope all is well! Just wanted to check in if you were able to resolve your issue and would you be happy to share the solution or mark an answer as best? Else please let us know if you need more help. We'd love to hear from you.Tha...

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kfoster
by Contributor
  • 1388 Views
  • 2 replies
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DLT Event Log

I am trying to utilize the Event Log DLT is keeping updated, I noticed some of the fields are consistently empty/null.In the Event Log, located ".../storage/system/events", I see the field "origin" and there are nested fields within which are empty/n...

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Latest Reply
jose_gonzalez
Moderator
  • 3 kudos

Hi @Kristian Foster​,The following docs will provide more details on the event log schema. Please refer to this link https://docs.databricks.com/workflows/delta-live-tables/delta-live-tables-event-log.html#monitor-pipelines-with-the-delta-live-tables...

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LadislavSulak
by New Contributor II
  • 1434 Views
  • 3 replies
  • 2 kudos

What is the long-term plan for the official Databricks Docker Containers?

Hi, I'd like to ask you, how much resources do you plan to dedicate to the maintenance/development of the official Databricks Docker images, please? Do you have a view on the longer-term plan for these docker images? It seems to be maintained, but i...

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Latest Reply
-werners-
Esteemed Contributor III
  • 2 kudos

Curious too,but I have a feeling it is not a priority.

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parthsalvi
by Contributor
  • 5559 Views
  • 7 replies
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GRANT permission not working on Storage Credential using DBR 11.2 Shared mode

We were trying to update permissions of Storage credential using DBR 11.2 Shared mode but running into following issue Operation not allowed: GRANT(line 1, pos 0) PFA complete error in file.Is the above issue with cluster permission or changing permi...

image
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Latest Reply
Debayan
Esteemed Contributor III
  • 3 kudos

Hi @Parth Salvi​ , could you please paste the full error here, also, it is better to create a support case with Databricks with the whole error.

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benydc
by New Contributor II
  • 862 Views
  • 0 replies
  • 1 kudos

Is it possible to connect to IPython Kernel from local or client outside databricks cluster?

When looking in the standard output of a notebook run in a cluster, we get this message: "To connect another client to this kernel, use: /databricks/kernel-connections-dj8dj93d3d3.json"Is it possible to connect to the databricks ipython kernel and ma...

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  • 0 replies
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dataexplorer
by New Contributor III
  • 6461 Views
  • 6 replies
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Resolved! COPY INTO generating duplicate rows in Delta table

Hello Everyone,I'm trying to bulk load tables from a SQL server database into ADLS as parquet files and then loading these files into Delta tables (raw/bronze). I had done a one off history/base load but my subsequent incremental loads (which had a d...

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Latest Reply
dataexplorer
New Contributor III
  • 5 kudos

thanks for the guidance!

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User16826994223
by Honored Contributor III
  • 9208 Views
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How to Prevent Duplicate Entries to enter to delta lake of Azure Storage

I Have a Dataframe stored in the format of delta into Adls, now when im trying to append new updated rows to that delta lake it should, Is there any way where i can delete the old existing record in delta and add the new updated Record.There is a uni...

  • 9208 Views
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Latest Reply
Ryan_Chynoweth
Esteemed Contributor
  • 3 kudos

You should use a MERGE command on this table to match records on the unique column. Delta Lake does not enforce primary keys so if you append only the duplicate ids will appear. Merge will provide you the functionality you desire. https://docs.databr...

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vanessafvg
by New Contributor III
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  • 2866 Views
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Latest Reply
Anonymous
Not applicable
  • 5 kudos

We're always here, even for newbie errors @Vanessa Van Gelder​ !Thanks for posting, and thanks @Hubert Dudek​ for always being so helpful.

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db-avengers2rul
by Contributor II
  • 1639 Views
  • 3 replies
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Resolved! Documentation - notebook not working

Dear Team,While practising few examples i have noticed the below notebook is not fetching the full dataset and also no schema is fetched https://docs.databricks.com/_static/notebooks/widget-demo.htmlcan you please re try and let me know the results N...

  • 1639 Views
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Latest Reply
Hubert-Dudek
Esteemed Contributor III
  • 2 kudos

I think https://health.data.ny.gov/api/views/myeu-hzra/rows.csv was a public dataset, but now it shows authentication_required, so this error is independent of databricks.But the good news is that I was able to generate a new URL on the New Your heal...

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subhransu02
by New Contributor II
  • 971 Views
  • 2 replies
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Databricks Lakehouse Fundamentals badge not received

I have completed and passed the short assessment for Lakehouse fundamentals but I didn't receive any badge. I have also checked in credentials.databricks.com but I don't see any badge.

  • 971 Views
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Latest Reply
Vartika
Moderator
  • 2 kudos

Hey @Subhransu Ranjan Sankhua​ Thank you for reaching out! Please submit a ticket to our Training Team here: https://help.databricks.com/s/contact-us?ReqType=training and our team will get back to you shortly. 

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